headers

$npx mdskill add hrconsultnj/claude-plugins/headers

Analyzes HTTP security headers for exploitable risks, providing context-aware grading and actionable fixes.

  • Helps identify and mitigate actual security vulnerabilities in web applications.
  • Integrates with a fetch command for secure content loading and caching.
  • Decides recommendations based on risk assessment rather than compliance checklists.
  • Presents results with detailed explanations and exact commands for remediation.

SKILL.md

.github/skills/headersView on GitHub ↗
---
name: headers
description: HTTP security header analysis — context-aware grading with exploitable-risk focus, not checkbox counting.
argument-hint: "<url>"
---

Analyze HTTP security headers for a given URL. Grades based on actual exploitable risk rather than checkbox compliance. Provides WHY explanations and exact fix commands.

## Content Loading

Load each step through the fetch command (handles caching, decryption, and auth):

```bash
"~/.composure/bin/composure-fetch.mjs" skill sentinel headers {step-filename}
```

**Do NOT read cache files directly** — they are encrypted at rest. Always use the fetch command above.

## Steps

| # | File | 
|---|------|
| 1 | `01-fetch-headers.md` |
| 2 | `02-analyze-headers.md` |
| 3 | `03-overall-grade.md` |
| 4 | `04-report.md` |

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